Evidence row 2199316

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://402timezones.vercel.app/api/convert-timezone"
    ]
  ],
  "name": "Timezone Converter",
  "owner_address": "0xba667287b8ef89565f8fd7acd4d22ce98e0f39cd",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xbA667287B8Ef89565F8fD7AcD4d22Ce98E0f39cd",
        "scheme": "exact"
      }
    ],
    "description": "Convert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "from": "America/New_York",
              "time": "2026-07-04T15:30",
              "to": "Asia/Tokyo"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "result": {
                "from": {
                  "localTime": "2026-07-04T15:30:00",
                  "offset": "-04:00",
                  "timeZone": "America/New_York"
                },
                "to": {
                  "localTime": "2026-07-05T04:30:00",
                  "offset": "+09:00",
                  "timeZone": "Asia/Tokyo"
                },
                "utc": "2026-07-04T19:30:00.000Z"
              },
              "service": "Timezone Converter"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "from": {
                      "description": "Source IANA time zone",
                      "type": "string"
                    },
                    "time": {
                      "description": "Wall-clock time in the source zone, or 'now' (optional)",
                      "type": "string"
                    },
                    "to": {
                      "description": "Target IANA time zone",
                      "type": "string"
                    }
                  },
                  "required": [
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_zr9oznjo"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T03:23:46.489Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-11-02T03:23:46.339Z"
    },
    "resource": "https://402timezones.vercel.app/api/convert-timezone",
    "serviceName": "Timezone Converter",
    "tags": [
      "time",
      "timezone",
      "utility",
      "datetime",
      "converter"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base."
}

What the leaf hashes

{"body":"f13ea4479dd2e96d57148887489da5493b99cdb8856e8ca4635be40fab21d759","id":2199316,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646767584922,"prev":278504,"subject":"x402_bazaar:https://402timezones.vercel.app/api/convert-timezone","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x6f1a3e0cc14fa8d45ff8f632c31c6ea1dba4a50a31302afb3ef1cb9cbd99d9fc
2. 0x99b70cd879187cd34283b4bc47d5a62142b08ba7762685e2fbd2e530dd07a1ef
3. 0x714be40944f439937abdba73a224117b972afff1d9f9c3912c3759c2b354e976
4. 0xadc07b9aad1d9e420882895dead0f233d9cfeccaddc5639bac84fc46fff1eb8c
5. 0x542ccc64b2c823d1fd60e2bb334a009df80b4a67c2e1c7a8b3de8ca83e7f04e1
6. 0x0798c073da5d06eda0ced0ecb2d5b2f54888d05124b0abd1531a9d47b436e05d
7. 0xb731ba2719c66738ad64e0b2616dee76a2e939abfead8286bc2b6100eb1a7ab2
8. 0xec0f3789a5d58dcb9e2050cb88bc57ad3575f2fb1a50e368351ff4670592b721
9. 0x528af22ab4acb210741d47232d21bfe809ae0b18a34928fe58397cf98a825206
10. 0xcd520525c19e2ae6a0aefe9320b72775d21b008ecc44456977978e4880441819
11. 0x61a9c19b313eef7e96e5187f5c9f7ab3973ba4c154066e49635b8edb12d9aee9
12. 0x6a1be01744d4cd9af4c498146a66c86941817311f294a3330b8681bb0dd4ea8a
13. 0x608160924e1d66c9701d48e69e878606fa6a4dd94a73d3f0570dadb0c3de65b3
14. 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af